Morning, many thanks for this,m I thought it was just as the name suggested alternating so just the first and second colours, but this is great much appreciated.

QUESTION: My next one then is I have say padding / margin of around 5px each list item, is there a way I can zero this down so that my icon imag ecan touch the top/bototm and sides erc ratehr than have thsi gap arounf them, I have tried the usual setting the paddign etc to zero but this does not seem to work EG: